Artist's concept of the smallest star known to host a planet.

Artist's concept of the Dawn spacecraft in orbit around the large asteroid Vesta and the dwarf planet Ceres.

Artist's conception of a storm of comets in the Eta Corvi system.

A Jupiter-like planet soaking up the scorching rays of its nearby sun.

A hypothetical 10-million-year-old star system.

Artist's concept of Saturn and its moons Dione and Tethys.

Artist's concept of a ringed gas giant and its moons.

Artist's concept of the Dawn spacecraft entering orbit around Ceres.

Artist's concept of a supernova about to incinerate this planetary system.

Artist's concept of Saturn amongst the hydrocarbon haze of its moon Titan.

Artist's concept of an Extrasolar Gas Giant with two of its' many moons.

Artist's concept of a manned expedition to the inner planets of a raging star.

Artist's concept of the Dawn spacecraft as it approaches an encounter with Ceres.

Artist's concept of Saturn as seen from the surface of its moon Iapetus.

Artist's concept of a giant domed city in an asteroid crater on a hypothetical planet.

Artist's concept of an H II region of space, wrapped in a dark nebula.

Artist's concept of an impact crater on Jupiter's moon Ganymede, with Jupiter on the horizon.

Artist's concept of Jovian Trojans asteroids.